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CZK - Tatra 813 Vozovky (vozovkový pokladač)

Tatra 813 - automotive paving machine

Vehicle description
The Tatra 813 truck was modified for laying and lifting two strips of plate pavement to allow heavier vehicles to pass over poorly bearing terrain. The automotive paver uses a Tatra type 813 tractor chassis with a modified frame with a rear face, winch and platform without sidewalls on which the paver is mounted with a right and left tray of pavement slabs and two booms carrying one unwinding drum each. The pavement to be laid consists of two strips of forty slabs each. The chassis of the pavement car is equipped with a twin reel winch identical to pontoon car. The platform has two holes in the front for routing ropes towards the tray pulleys and further back towards the two pairs of holes in the superstructure frame footings. The laying device included two unwinding and one braking drum, which were located on the tipping sledge and ensured smooth laying. A device at the front of the frame allowed the metal parts of the carpet to be lifted back and folded into the cassette trays.

Several dozen boards were stacked on the platform, joined into two continuous belts. The design of the slabs ensured lateral and longitudinal stability, thanks to the suitably shaped frame and the filler used. The slabs had holes on the sides to facilitate anchoring of the roadway on slopes and curves.

Basic data
- crew: 7 persons (commander, driver and 5 engineers)
- empty weight: 17190 kg
- kerb weight: 22800 kg
- front axle load: 9560 kg
- Rear axle load: 13220 kg

Carpet dimensions
- weight of 80 paving slabs: 5610 kg
- number of plates per belt: 40
- Plate length: undetermined
- Plate width: 1.3 m (calculated)

Laying options
- in marshy and muddy terrain: slope gradient up to 10°
- in drift terrain: gradient up to 30°
- from a slope of 20° the slab strips must be anchored
- possibility of laying in curves: outer radius greater than 20 m for wheeled vehicles
- cornering capability: outer radius greater than about 50 m for tracked vehicles
- maximum outer track width of two strips: 3,95 m, with an inner distance between strips of 1,35 m
- possibility to lay more than one strip of slabs side by side

Weighing,
automotive paving machines have been used by other armies. Here they received various designations, but the nicest name I found was the Nationale Volksarmee (NVA), which was Czech-German and read: Teppichleger Vozovky (sometimes also vosovky), which can be translated as "carpet laying roadway".

Resin model manufacturers, on the other hand, again used the term: Faltstraßenverleger (Vozovky). Not being a German speaker, I used an electronic dictionary to translate that super-word, and this is the wording that came out: paver of unfolded road pavement.

To my amazement, I have not yet come across the official name of the CSLA, so I accept without reservation the term used by Colonel Doubek in Atom magazine.

Note
The illustrations used are taken and adapted from the sources below.

Source
Col. Ing. Josef Doubek.
Karel Rosenkranz, Milan Olšanský: Tatra Trucks, Kopřivnice 2007, ISBN 978-80-239-9877-1
Zápisnik 1979, No. 18, pp. 36 and 37, ISSN not available
Tatra 813, Motokov brochure, Prague, circa 1980
Wojskowy Pregląd Techniczny 1980, no. 3, p. 136, ISSN 1230-7386

Internet
cgi.ebay.at
https://voenavto.almanacwhf.ru/heavy/h117.htm
www.nva-forum.de
https://www.tatraprehled.com/813/88v.html
CZK - Tatra 813 Vozovky (vozovkový pokladač) - Foto a text převzaty z časopisu Atom.

Foto a text převzaty z časopisu Atom.
CZK - Tatra 813 Vozovky (vozovkový pokladač) - Pohled zezadu na Tatru 813 s bubnovými pokladači desek v pracovní poloze.

Pohled zezadu na Tatru 813 s bubnovými pokladači desek v pracovní poloze.
CZK - Tatra 813 Vozovky (vozovkový pokladač) - Tatra 813 - vozovkový pokladač.

Tatra 813 - vozovkový pokladač.
CZK - Tatra 813 Vozovky (vozovkový pokladač) - Tatra 813 - vozovkový pokladač.

Tatra 813 - vozovkový pokladač.
URL : https://www.valka.cz/CZK-Tatra-813-Vozovky-vozovkovy-pokladac-t68718#241103Version : 0
MOD

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Vozovkový pokladač k PMS
CZK - Tatra 813 Vozovky (vozovkový pokladač) - zdroj: vlastní archív

zdroj: vlastní archív
URL : https://www.valka.cz/CZK-Tatra-813-Vozovky-vozovkovy-pokladac-t68718#240998Version : 0
MOD
Detail of the rear part.
CZK - Tatra 813 Vozovky (vozovkový pokladač) - zdroj: vlastní archív

zdroj: vlastní archív
URL : https://www.valka.cz/CZK-Tatra-813-Vozovky-vozovkovy-pokladac-t68718#241082Version : 0
MOD

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Rozměry vozovkové desky jsou:


d=1017mm
š=1300mm
v= 78mm


Zdroj: služební předpis Žen-24-10 Pontonová Mostová Souprava
URL : https://www.valka.cz/CZK-Tatra-813-Vozovky-vozovkovy-pokladac-t68718#241108Version : 0

This post has not been translated to English yet. Please use the TRANSLATE button above to see machine translation of this post.

Vozovková doska.



Zdroj : Žen-24-10 Pontónová mostová súprava PMS, predpis ČSĽA Praha 1978
CZK - Tatra 813 Vozovky (vozovkový pokladač) - Vozovková doska - popis.

Vozovková doska - popis.
URL : https://www.valka.cz/CZK-Tatra-813-Vozovky-vozovkovy-pokladac-t68718#353696Version : 0